Concrete border edging – The simplest border is the line that defines the grass. The goal is that it does not overflow and that the contact area remains clear. The interview takes place once or twice a year with the help of a special crescent, a spade, and even power tools for long journeys. The lawn can be delimited by means of inert borders, in “hard”. The most sophisticated (and the most expensive) is made of sturdy metal strips. More accessible, modules to encase reconstituted stone articulate to adopt sinuosities. Traditional rigid borders are made of concrete or wood. On the concrete side, there is…